BE750215A - Procede d'epinglage electrostatique ameliore par l'emploi d'un gaz - Google Patents

Procede d'epinglage electrostatique ameliore par l'emploi d'un gaz

Info

Publication number
BE750215A
BE750215A BE750215DA BE750215A BE 750215 A BE750215 A BE 750215A BE 750215D A BE750215D A BE 750215DA BE 750215 A BE750215 A BE 750215A
Authority
BE
Belgium
Prior art keywords
electrostatic
gas
process improved
pinching process
pinching
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
W E Hawkins
Original Assignee
Du Pont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Publication of BE750215A publication Critical patent/BE750215A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
    • B29C48/9165—Electrostatic pinning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling drums

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
BE750215D 1969-05-12 1970-05-11 Procede d'epinglage electrostatique ameliore par l'emploi d'un gaz BE750215A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82384769A 1969-05-12 1969-05-12
US2169670A 1970-03-23 1970-03-23

Publications (1)

Publication Number Publication Date
BE750215A true BE750215A (fr) 1970-11-12

Family

ID=26695011

Family Applications (1)

Application Number Title Priority Date Filing Date
BE750215D BE750215A (fr) 1969-05-12 1970-05-11 Procede d'epinglage electrostatique ameliore par l'emploi d'un gaz

Country Status (8)

Country Link
JP (1) JPS5028108B1 (cg-RX-API-DMAC7.html)
BE (1) BE750215A (cg-RX-API-DMAC7.html)
CA (1) CA922664A (cg-RX-API-DMAC7.html)
DE (2) DE2022913A1 (cg-RX-API-DMAC7.html)
FR (1) FR2042572A1 (cg-RX-API-DMAC7.html)
GB (1) GB1309449A (cg-RX-API-DMAC7.html)
LU (1) LU60895A1 (cg-RX-API-DMAC7.html)
NL (1) NL7006769A (cg-RX-API-DMAC7.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051699B1 (en) * 1980-11-06 1984-09-05 E.I. Du Pont De Nemours And Company Process for pneumatic gauge adjustment of edge-pinned cast web
US4734721A (en) * 1985-10-04 1988-03-29 Markem Corporation Electrostatic printer utilizing dehumidified air
US4809027A (en) * 1986-07-29 1989-02-28 Markem Corporation Offset electrostatic printing utilizing a heated air flow
CA1285601C (en) * 1986-07-29 1991-07-02 Alan H. Boyer Offset electrostatic printer and imaging process utilizing dehumidified air
US4772901A (en) * 1986-07-29 1988-09-20 Markem Corporation Electrostatic printing utilizing dehumidified air
US4809026A (en) * 1986-07-29 1989-02-28 Markem Corporation Electrostatic printing utilizing a heated air flow
DE3705482A1 (de) * 1987-02-20 1988-09-01 Hoechst Ag Verfahren und anordnung zur oberflaechenvorbehandlung von kunststoff mittels einer elektrischen koronaentladung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1129136A (en) * 1965-07-30 1968-10-02 Ici Ltd Thermoplastic film production

Also Published As

Publication number Publication date
DE2022913A1 (de) 1970-11-19
DE7017574U (de) 1970-10-19
NL7006769A (cg-RX-API-DMAC7.html) 1970-11-16
GB1309449A (en) 1973-03-14
JPS5028108B1 (cg-RX-API-DMAC7.html) 1975-09-12
FR2042572A1 (cg-RX-API-DMAC7.html) 1971-02-12
CA922664A (en) 1973-03-13
LU60895A1 (cg-RX-API-DMAC7.html) 1970-07-16

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: E.I. DU PONT DE NEMOURS AND CY

Effective date: 19900511